Maceman, these ballasts are driving power compact florecents. There is only one end cap per bulb.
I know they are power compact cause thats all ahsupply sells.
They also market depending on wattage differnt size ballasts. They have one that is rated at 110W I think and then they have a much smaller one they use for the low wattage bulbs like their 13W bulbs.
For example they have a single 36W, a single 55W, a dual 36W and a dual 55W and a single 96W lighting kits and they all ship with the exact same ballast. But if you get a dual 96W kit you get two ballasts.
Im no electrican so I was not up on the whole guage vs amp thing.
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